| article html file updated | 9 February 2020 19:58 CET | Update | https://www.mdpi.com/2313-4321/3/2/25 |
| article html file updated | 4 October 2019 04:50 CEST | Update | N/A |
| article html file updated | 30 April 2019 14:30 CEST | Update | N/A |
| article html file updated | 16 April 2019 15:06 CEST | Update | N/A |
| article html file updated | 30 March 2019 06:54 CET | Update | N/A |
| article html file updated | 2 June 2018 05:32 CEST | Original file | N/A |
| article pdf uploaded. | 2 June 2018 05:31 CEST | Version of Record | https://www.mdpi.com/2313-4321/3/2/25/pdf |
| article xml uploaded. | 2 June 2018 05:31 CEST | Update | https://www.mdpi.com/2313-4321/3/2/25/xml |
| article xml file uploaded | 2 June 2018 05:31 CEST | Original file | N/A |
